Criteria of openness for relations
Fundamenta Mathematicae, Tome 114 (1981) no. 3, pp. 219-228
Cet article a éte moissonné depuis la source Institute of Mathematics Polish Academy of Sciences
@article{10_4064_fm_114_3_219_228,
author = {Marek Wilhelm},
title = {Criteria of openness for relations},
journal = {Fundamenta Mathematicae},
pages = {219--228},
year = {1981},
volume = {114},
number = {3},
doi = {10.4064/fm-114-3-219-228},
language = {en},
url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-114-3-219-228/}
}
Marek Wilhelm. Criteria of openness for relations. Fundamenta Mathematicae, Tome 114 (1981) no. 3, pp. 219-228. doi: 10.4064/fm-114-3-219-228
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